修复bug:DeviceToken重复问题

common/src/main/java/com/wecloud/im/service/impl/ImClientServiceImpl.java

@@ -152,14 +152,16 @@ public class ImClientServiceImpl extends BaseServiceImpl<ImClientMapper, ImClien
         //  根据appKey查询appid
         ImApplication imApplication = imApplicationService.getOneByAppKey(curentJwtToken.getAppKey());
 
+        // client登陆的时候 判断数据库内是否已经存在这个设备token,如果存在就清空旧的
+        this.removeOldToken(imApplication.getId(), curentJwtToken.getToken());
+
         // 清除旧client的redis缓存
-        ImClient imClient = this.getOne(new QueryWrapper<ImClient>().lambda()
+        List<ImClient> list = this.list(new QueryWrapper<ImClient>().lambda()
                 .eq(ImClient::getFkAppid, imApplication.getId())
                 .eq(ImClient::getDeviceToken, imClientDevice.getDeviceToken()));
-        if (imClient != null) {
+
+        for (ImClient imClient : list) {
             deleteCacheImClient(imClient.getFkAppid(), imClient.getClientId());
-            // client登陆的时候 判断数据库内是否已经存在这个设备token,如果存在就清空旧的
-            this.removeOldToken(imApplication.getId(), curentJwtToken.getToken());
         }
 
         ImClient client = getCurentClient();